How do you know if #f(x) = x^3 + x sin^2 x# is an even or odd function?
1 Answer
Nov 28, 2015
Use
Explanation:
#f(-x) = (-x)^3+(-x)(sin(-x))^2#
#=-x^3-x(-sin(x))^2#
#=-x^3-x (sin(x))^2#
#=-(x^3+x (sin(x))^2)#
#=-f(x)#
